RT Journal Article SR Electronic T1 Cystic disorders of the corneal epithelium. II. Pathogenesis. JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 376 OP 390 DO 10.1136/bjo.57.6.376 VO 57 IS 6 A1 R C Tripathi A1 A J Bron YR 1973 UL http://bjo.bmj.com/content/57/6/376.abstract AB